A SERVICE OF

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7
Electrical 579 Family
Peterbilt Motors Company 7-24
Transmission Back Up Signals
The back-up signal can be accessed from pin A of the 5-way tail light connector located at the end of frame.
The tail light connector is a 5-way connector located in the chassis harness at the end of frame. It will either be connected
to a tail light, a jumper harness, or tied up in the rail if no tail lights are provided.
FIGURE 7-22. Mating Connector: Packard PN 12186400
Junction Box
The junction box easy access to various signals as outlined in Figure 6-6.
FIGURE 7-23. Junction Box BOC or EOF